Morrisville, NY 13484 Frost Dates
Morrisville, NY: when does the frost end?
The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 10/09, roughly 156 days after the last spring frost.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Morrisville, not a forecast for this year.
Stretching the season past the first frost
With roughly 6 weeks until Morrisville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
Morrisville against the rest of the dataset
About 156 days separate Morrisville's last and first frost, putting it 33,677 of 40,283 ZIP codes nationally. Within NY, it ranks 1,320 of 1,951.
Learn more
Before leaning on 13484's figures: the frost range explains how to read the range around Morrisville's dates instead of trusting one, while local microclimates explains what one yard in Morrisville can differ from the 13484 normal.